<template>
    <div class="person">
        <h2>姓名:{{ name }}</h2>
        <h2>年龄：{{ age }}</h2>
        <h2 v-show='show'>{{ tel }}</h2>
        <button @click="changeName">修改名字</button>
        <button @click="ageAdd">年龄+1</button>
        <button @click="showTel">查看联系方式</button>
    </div>
</template>

<script lang="ts">

export default {
    name: 'Person',
    setup() {
        //数据    注意：此时数据都不是响应式的，方法操作后，不会改变页面显示
        let name = '张三'
        let age = 19
        let tel = 13900000
        let show = false


        //方法
        function changeName() {
            name = '刘备'
        }

        function ageAdd() {
            age += 1
        }

        function showTel() {
            show = true
        }

        return { name, age, tel, show, changeName, ageAdd, showTel }
    }
}

</script>

<style lang="scss" scoped>
.person {
    background-color: skyblue;
    box-shadow: 0 0 10 px;
    border-radius: 10px;
    color: white;
    padding: 20px;
}

button {
    margin: 0 5px;
}
</style>
